From: Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
To: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: Neil Horman <nhorman-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>,
"Serge E. Hallyn" <serue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>,
Paul Mackerras <paulus-eUNUBHrolfbYtjvyW6yDsg@public.gmane.org>,
"Aneesh Kumar K.V"
<aneesh.kumar-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
Arnaldo Carvalho de Melo
<acme-f8uhVLnGfZaxAyOMLChx1axOck334EZe@public.gmane.org>,
Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
Thomas Graf <tgraf-G/eBtMaohhA@public.gmane.org>,
cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Paul Turner <pjt-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Ingo Molnar <mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH REPOST RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them
Date: Thu, 13 Sep 2012 16:01:40 +0400 [thread overview]
Message-ID: <5051CB24.4010801@parallels.com> (raw)
In-Reply-To: <20120912171120.GP7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
On 09/12/2012 09:11 PM, Tejun Heo wrote:
> Hello,
>
> On Wed, Sep 12, 2012 at 05:49:07PM +0200, Michal Hocko wrote:
>>> While I respect your goal of not warning about any configuration
>>> with max_level = 1, I believe the only sane configuration as soon
>>> as we get any 2nd-level child is use_hierarchy = 1 for everybody.
>>>
>>> Everything aside from it should be warned.
>>
>> Defintely. And that what the above guarantess, doesn't it?
>
> I'm getting a bit worried that I might not be fully understanding what
> your concern is. Can you please elaborate what your worries are and
> the transition plan that you have in your mind regarding
> .use_hierarchy?
>
This is getting confusing for me as well, because I don't know if your
reply was targeted towards me or Michal. As for me, I am in agreement
with what you did, and I merely replied to Michal's concern and
suggestion of not warning in the special 1-st level only setups saying I
side with you.
next prev parent reply other threads:[~2012-09-13 12:01 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20120910223125.GC7677@google.com>
[not found] ` <20120910223125.GC7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-10 22:33 ` [PATCH REPOST RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them Tejun Heo
[not found] ` <20120910223355.GD7677@google.com>
[not found] ` <20120910223355.GD7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 10:04 ` Michal Hocko
[not found] ` <20120911100433.GC8058-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-11 17:07 ` Tejun Heo
2012-09-12 9:31 ` Glauber Costa
[not found] ` <5050568B.9090601-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-12 15:49 ` Michal Hocko
[not found] ` <20120912154907.GW21579-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-12 17:11 ` Tejun Heo
[not found] ` <20120912171120.GP7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13 12:01 ` Glauber Costa [this message]
[not found] ` <5051CB24.4010801-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-13 17:21 ` Tejun Heo
2012-09-13 12:14 ` Michal Hocko
[not found] ` <20120913121438.GC8055-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-13 17:18 ` Tejun Heo
[not found] ` <20120913171832.GY7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13 17:39 ` Michal Hocko
[not found] ` <20120913173958.GA21381-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-14 8:19 ` Glauber Costa
[not found] ` <5052E87A.1050405-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-14 19:15 ` Tejun Heo
[not found] ` <20120914191509.GN17747-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-17 9:11 ` Glauber Costa
[not found] ` <20120911170746.GL7677@google.com>
[not found] ` <20120911170746.GL7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-12 15:47 ` Michal Hocko
[not found] ` <20120912154745.GV21579@dhcp22.suse.cz>
[not found] ` <20120912154745.GV21579-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2012-09-12 16:41 ` Tejun Heo
2012-09-11 12:38 ` Li Zefan
2012-09-11 18:23 ` [PATCH UPDATED " Tejun Heo
2012-09-13 12:16 ` [PATCH REPOST " Daniel P. Berrange
[not found] ` <20120913121629.GL7767-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-13 17:52 ` Tejun Heo
[not found] ` <504F30DB.60808@huawei.com>
[not found] ` <504F30DB.60808-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2012-09-11 17:08 ` Tejun Heo
2012-09-12 9:34 ` Glauber Costa
[not found] ` <20120911170837.GM7677@google.com>
[not found] ` <20120911170837.GM7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 17:43 ` Tejun Heo
[not found] ` <20120911174319.GO7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-12 9:37 ` Glauber Costa
[not found] ` <505057D8.4010908-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-09-12 16:34 ` Tejun Heo
[not found] ` <20120912163433.GL7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-13 6:48 ` Li Zefan
[not found] ` <20120911182356.GR7677@google.com>
[not found] ` <20120911182356.GR7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-09-11 20:50 ` [PATCH UPDATED " Aristeu Rozanski
[not found] ` <20120911205027.GA25837-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-09-11 20:51 ` Tejun Heo
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